//
//  UserAccountViewModel.swift
//  sinaweibo
//
//  Created by mac on 15/11/14.
//  Copyright © 2015年 mac. All rights reserved.
//

import UIKit
import AFNetworking
class UserAccountViewModel: NSObject {
    
    
    //增加userAccount 属性
    var account: UserAccount?
    
    
    //用户是否登录的属性
    var userLogin: Bool {
        return account?.access_token != nil
    }
    
    var token: String? {
        return account?.access_token
    }
    
  
    
    //在init方法中获取 用户账户
    override init() {
        account = UserAccount.loadAccount()
    }
    
    
    func loadAccessToken(code: String, finished: (error: NSError?) -> ()) {
        let urlString = "https://api.weibo.com/oauth2/access_token"
        let parameters = ["client_id": client_id,"client_secret":client_secret,"grant_type" : "authorization_code","code":code,"redirect_uri":redirect_uri]
        let AFN = AFHTTPSessionManager()
       AFN.responseSerializer.acceptableContentTypes?.insert("text/plain")
       // AFN.responseSerializer = AFHTTPResponseSerializer()
        AFN.POST(urlString, parameters: parameters, success: { (_, result) -> Void in
//            let str = NSString(data: result as! NSData, encoding: NSUTF8StringEncoding)
//            print(str)
            
            if let dict = result as? [String: AnyObject] {
                
                //开始字典转模型
                let account = UserAccount(dict:dict)
                self.loadUserInfo(account)
            }
            }) { (_, error) -> Void in
                print(error)
        }
    }
    private func loadUserInfo(account: UserAccount) {
        let urlString = "https://api.weibo.com/2/users/show.json"
        let parmaters = ["access_token": account.access_token!, "uid": account.uid!]
        let AFN = AFHTTPSessionManager()
        AFN.GET(urlString, parameters: parmaters, success: { (_, result) -> Void in
            if let dict = result as? [String : AnyObject] {
                account.avatar_large = dict["avatar_large"] as? String
                account.name = dict["name"] as? String
                
                account.saveAccount()
                
                ///执行闭包
            }
            }) { (_, error) -> Void in
                print(error)
        }
    }
    
}
